RKI 200 mm Check Valve for Ventilation with Gasket

The RKI check valve opens and closes automatically Sturdy stainless steel spring allows horizontal or vertical installation Perfect for equipping ventilation systems without check valve The rubber ring ensures closing and silent closing when the exhaust fan is not running FUNCTION The air outlet check valve is universally usable in all standard round ventilation pipes and flexible hoses according to DIN EN The non-return valve prevents the backflow of exhaust air or the entry of cold air outside The flaps open when the fan drains air outward and automatically close as soon as the airflow stops VERSATILE in all air intake and extraction systems such as air conditioners dryers kitchen hoods dryers heating systems and ventilation systems in households businesses and industry The check valve is very stable temperature-resistant and reliable Installation is simple just insert the ventilation pipe and enjoy the benefits